diff --git a/application/controllers/api/v1/person/Person.php b/application/controllers/api/v1/person/Person.php
index 6a373137f..935fbae62 100644
--- a/application/controllers/api/v1/person/Person.php
+++ b/application/controllers/api/v1/person/Person.php
@@ -233,10 +233,10 @@ class Person extends API_Controller
 				//Quersumme bilden
 				for ($i = 0; $i < 10; $i++)
 				{
-					$erg += $gewichtung[$i] * $tmpSvnr{$i};
+					$erg += $gewichtung[$i] * $tmpSvnr[$i];
 				}
 
-				if ($tmpSvnr{3} != ($erg % 11)) //Vergleichen der Pruefziffer mit Quersumme Modulo 11
+				if ($tmpSvnr[3] != ($erg % 11)) //Vergleichen der Pruefziffer mit Quersumme Modulo 11
 				{
 					return error('SVNR ist ungueltig');
 				}
@@ -244,7 +244,7 @@ class Person extends API_Controller
 				if (mb_strlen($person['svnr']) == 12)
 				{
 					$last = substr($person['svnr'], 10, 12);
-					if ($last{0} != 'v' || !is_numeric($last{1}))
+					if ($last[0] != 'v' || !is_numeric($last[1]))
 					{
 						return error('SVNR ist ungueltig');
 					}
diff --git a/include/File/CSV.php b/include/File/CSV.php
index c4c4d44ad..ea67181f1 100644
--- a/include/File/CSV.php
+++ b/include/File/CSV.php
@@ -178,7 +178,7 @@ class File_CSV
             return $field;
         }
 
-        if ($quote && $field{0} == $quote && $field{strlen($field)-1} == $quote) {
+        if ($quote && $field[0] == $quote && $field[strlen($field) - 1] == $quote) {
             return substr($field, 1, -1);
         }
         return $field;
@@ -230,7 +230,7 @@ class File_CSV
                 } elseif ($c == "\n" || $c == "\r") {
                     $sub = ($prev == "\r") ? 2 : 1;
                     if ((strlen($buff) >= $sub) &&
-                        ($buff{strlen($buff) - $sub} == $quote))
+                        ($buff[strlen($buff) - $sub] == $quote))
                     {
                         $in_quote = false;
                     }
@@ -312,9 +312,9 @@ class File_CSV
             $last =& $fields[count($fields) - 1];
             // Fallback to read the line with readQuoted when guess
             // that the simple explode won't work right
-            if (($last{strlen($last) - 1} == "\n"
-                && $last{0} == $conf['quote']
-                && $last{strlen(rtrim($last)) - 1} != $conf['quote'])
+            if (($last[strlen($last) - 1] == "\n"
+                && $last[0] == $conf['quote']
+                && $last[strlen(rtrim($last)) - 1] != $conf['quote'])
                 ||
                 (count($fields) != $conf['fields'])
                 // XXX perhaps there is a separator inside a quoted field
@@ -511,4 +511,4 @@ class File_CSV
         return true;
     }
 }
-?>
\ No newline at end of file
+?>
diff --git a/include/File/Util.php b/include/File/Util.php
index 941c61441..5474bc2a7 100644
--- a/include/File/Util.php
+++ b/include/File/Util.php
@@ -96,7 +96,7 @@ class File_Util
     {
         if (File_Util::isAbsolute($path)) {
             if (FILE_WIN32) {
-                return substr($path, $path{3} == '\\' ? 4 : 3);
+                return substr($path, $path[3] == '\\' ? 4 : 3);
             }
             return ltrim($path, '/');
         }
@@ -182,7 +182,7 @@ class File_Util
         if (FILE_WIN32) {
             return preg_match('/^[a-zA-Z]:(\\\|\/)/', $path);
         }
-        return ($path{0} == '/') || ($path{0} == '~');
+        return ($path[0] == '/') || ($path[0] == '~');
     } 
 
     /**
@@ -244,11 +244,11 @@ class File_Util
             } else {
                 $cwd   = getcwd();
                 $drive = substr($cwd, 0, 2);
-                if ($path{0} !== $separator{0}) {
+                if ($path[0] !== $separator[0]) {
                     $path  = substr($cwd, 3) . $separator . $path;
                 }
             }
-        } elseif ($path{0} !== $separator) {
+        } elseif ($path[0] !== $separator) {
             $path = getcwd() . $separator . $path;
         }
         
@@ -323,7 +323,7 @@ class File_Util
         
         $entries = array();
         for ($dir = dir($path); false !== $entry = $dir->read(); ) {
-            if ($list & FILE_LIST_DOTS || $entry{0} !== '.') {
+            if ($list & FILE_LIST_DOTS || $entry[0] !== '.') {
                 $isRef = ($entry === '.' || $entry === '..');
                 $isDir = $isRef || is_dir($path .'/'. $entry);
                 if (    ((!$isDir && $list & FILE_LIST_FILES)   ||
diff --git a/include/filter.class.php b/include/filter.class.php
index c3d1d6ac1..7100e6562 100644
--- a/include/filter.class.php
+++ b/include/filter.class.php
@@ -240,7 +240,7 @@ class filter extends basis_db
 								{
 									//$value->value = preg_replace('/(.*?)selected=.selected./', '$1', $value->value);
 									//$value->value = preg_replace('/(.*?)\s*[selected=?selected?]/', '$1', $value->value);
-									//$value->value = preg_replace('/(.*?)\s*selected="selected"\s*/', '${1}', $value->value);
+									//$value->value = preg_replace('/(.*?)\s*selected="selected"\s*/', '$[1]', $value->value);
 									//$value->value = preg_replace('/^\s*selected=.*?selected.*?\s*/', ' ', $value->value);
 									//$value->value = str_replace('selected=', '', $value->value);
 
diff --git a/include/securimage/WavFile.php b/include/securimage/WavFile.php
index 6d84fc725..d56dbd942 100644
--- a/include/securimage/WavFile.php
+++ b/include/securimage/WavFile.php
@@ -1532,7 +1532,7 @@ class WavFile
         } else {
             // replace
             for ($i = 0; $i < $sampleBytes; ++$i) {
-                $this->_samples{$offset + $i} = $sampleBinary{$i};
+                $this->_samples[$offset + $i] = $sampleBinary[$i];
             }
         }
 
diff --git a/include/securimage/securimage.php b/include/securimage/securimage.php
index 51d876672..820e8b92f 100644
--- a/include/securimage/securimage.php
+++ b/include/securimage/securimage.php
@@ -1435,7 +1435,7 @@ class Securimage
             $length = strlen($code['display']);
 
             for($i = 0; $i < $length; ++$i) {
-                $letter    = $code['display']{$i};
+                $letter    = $code['display'][$i];
                 $letters[] = $letter;
             }
         }